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（1）下列關(guān)于寬帶城域網(wǎng)技術(shù)的描述中，錯(cuò)誤的是 A）寬帶城域網(wǎng)保證Qos的主要技術(shù)有RSVP、Diff-Serv和MPLS B）寬帶城域網(wǎng)帶內(nèi)網(wǎng)絡(luò)管理是指利用網(wǎng)絡(luò)管理協(xié)議SNMP建立網(wǎng)絡(luò)管理系統(tǒng) C）寬帶城域網(wǎng)能夠?yàn)橛脩籼峁挶ＷC，實(shí)現(xiàn)流量工程 D）寬帶城域網(wǎng)可以利用NAT技術(shù)解決IP地址資源不足的問(wèn)題 （2）下列關(guān)于接入技術(shù)特征的描述中，錯(cuò)誤的是 A）遠(yuǎn)距離無(wú)線寬帶接入網(wǎng)采用標(biāo)準(zhǔn) B）Cable Modem利用頻分利用的方法，將信道分為上行信道和下行信道 C）光纖傳輸系統(tǒng)的中繼距離可達(dá)100km以上 D）ADSL技術(shù)具有非對(duì)稱帶寬特征,1,100分懸賞 DELL工程師考試題目 just replaced the system board on studio 1737 for a NO-power powering up the system,you notice that the system gives an ON-FLASHING-ON LED is the first step to be performed to resolve this issus? A: Reseat the keyboard cable B: Reseat the processor C: Reseat the momory modules D: Reseat the LCD cable results indicate a failure with the Dell edgetouch hardware in the latitude Z600. Which of the following ponents shoulc be replaced? A: LCD panel B: system board C: edgetouch control panel D: LCD BEZEL a Studio 1745/1747/1749 shipped with an internal TV Tyber card,what is the additional associated internal ponent? A: External TV Tuner antenna B: All the options are correct C: internal TV tuner cable assembly D: TV remote the replacement of a system board for the Vostro A860, system is still not able to post with the status lights shown as On/Flashing/On. Which status light is to be referred to and what does it mean? A: Refer to device status lights and it means faulty ram detected. B: Refer to keyboard status lights and it means faulty memory detected C: Refer to keyboard status lights and it means no ram detected. D: Refer to device status lights and it means no ram detected. part should be replaced next if the latitude E4200 system board has been replaced and the "flash-on-on" LED code is still displayed? A: RAM B: Solod state drive C: lcd D: processor items must be removed from the precision M6500 before the internal Memory can be removed from the system board? choose all that apply A: keyboard B: Hinge cover C: battery D: palm rest 最后一題多選
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題庫(kù)00914、如何按技術(shù)性質(zhì)來(lái)判定水泥為合格品,不合格品和廢品?（6分）答：1）當(dāng)水泥中SO3含量, MgO含量, 初凝時(shí)間, 安定性這四項(xiàng)指標(biāo)中有一項(xiàng)達(dá)不到要求,則此水泥為廢品。2)當(dāng)水泥中:細(xì)度,終凝時(shí)間,強(qiáng)度,不溶物,燒失量,混合料摻量等六項(xiàng)指標(biāo)中,有一項(xiàng)不滿足要求,此水泥判定為不合格。3)所有上述指標(biāo)全部達(dá)到規(guī)范要求者,可判定為合格水泥..題庫(kù)00913、水泥砼配合比設(shè)計(jì)中的主要參數(shù)有哪些？各反映了什么關(guān)系？（6分）答：三個(gè)主要參數(shù)為w/c, SP, W.其中w/c反映了水與水泥之間的比例關(guān)系。SP反映了集料之間的比例關(guān)系.W反映了水泥漿與集料之間的比例關(guān)系題庫(kù)00912水泥砼的配合比設(shè)計(jì)由哪幾部分構(gòu)成?各部分的主要任務(wù)是什么?答：1)計(jì)算“初步配合比”:根據(jù)原材料資料,按我國(guó)現(xiàn)行的配合比設(shè)計(jì)方法,計(jì)算初步配合比.2)提出“基準(zhǔn)配合比”:根據(jù)初步配合比,采用實(shí)際施工材料進(jìn)行試拌,測(cè)定拌和物的工作性,調(diào)整材料用量提出滿足工作性要求的基準(zhǔn)配比.3)確定“試驗(yàn)室配比”,確定既符合強(qiáng)度和工作性要求,又較經(jīng)濟(jì)的試驗(yàn)室配比.4)提出“施工配比”:根據(jù)工地現(xiàn)場(chǎng)材料實(shí)際含水率,換算為工地配比.題庫(kù)00912、簡(jiǎn)述重交通與中、輕交通量道路石油瀝青技術(shù)要求的區(qū)別與聯(lián)系。答：區(qū)別:在技術(shù)指標(biāo)中,除路用石油瀝青規(guī)定的有關(guān)指標(biāo)外,其中重交通道路石油瀝青延度的溫度為15℃,蒸發(fā)損失試驗(yàn)改為薄膜烘箱試驗(yàn).并引入含蠟量和密度兩項(xiàng)指標(biāo).聯(lián)系:都以針入度劃分標(biāo)號(hào):并對(duì)軟化點(diǎn),溶解度及閃點(diǎn)等作了相應(yīng)要求.題庫(kù)00911、水泥砼的試配強(qiáng)度f(wàn)cu , o與什么因素有關(guān)？如何確定它？答：○1.水泥砼設(shè)計(jì)要求的砼強(qiáng)度等級(jí)fcu,k；○2.施工單位質(zhì)量管理水平；③強(qiáng)度保證率。題庫(kù)00910、熱拌熱鋪瀝青混合料的拌和時(shí)間是如何確定？ 答：當(dāng)每一鍋出料后，目測(cè)認(rèn)為不合適，則需重新進(jìn)料，適當(dāng)延長(zhǎng)拌和時(shí)間。反復(fù)幾次，直至合格為止，此時(shí)的拌和時(shí)間再加上3-5s即為正式生產(chǎn)時(shí)的拌和時(shí)間，當(dāng)?shù)谝诲伋隽虾螅m目測(cè)合格，須適當(dāng)縮短時(shí)間重新試拌，反復(fù)幾次，直至不合格料出現(xiàn)為止。取不合格料出現(xiàn)前一次合格料的拌和時(shí)間再加3-5s即為正式生產(chǎn)時(shí)的拌和時(shí)間。
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